3OUF	Membrane Protein	date	Sep 14, 2010
title	Structure Of A K+ Selective Nak Mutant
authors	M.G.Derebe, D.B.Sauer, W.Zeng, A.Alam, N.Shi, Y.Jiang
compound		source
Molecule: Potassium Channel Protein Chain: A, B Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Cereus Organism_taxid: 526969 Strain: M1550 Gene: Bcere0011_5790 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Sg13009 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe60
symmetry	Space Group: I 4	R_factor 0.200 R_Free 0.215
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.939 67.939 89.638 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.55 Å
ligand	K, MPD	enzyme
Gene	BCERE0011
Primary reference	Tuning the ion selectivity of tetrameric cation channels by changing the number of ion binding sites., Derebe MG, Sauer DB, Zeng W, Alam A, Shi N, Jiang Y, Proc Natl Acad Sci U S A. 2010 Dec 27. PMID:21187421

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (3ouf.pdb1.gz) 63 Kb Biological Unit Coordinates (3ouf.pdb2.gz) 65 Kb LPC: Ligand-Protein Contacts for 3OUF CSU: Contacts of Structural Units for 3OUF Structure Factors (232 Kb) Retrieve 3OUF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3OUF from S2C, [Save to disk] Re-refined 3ouf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3OUF in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3OUF

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3OUF, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ouf_A] [3ouf] [3ouf_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3OUF

Community annotation for 3OUF at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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